I think the daily reported deaths have to be treated with caution due to obvious under-reporting of deaths in care homes etc. However, they are useful for trend analysis. A sustained fall in positive cases and subsequently deaths will be a good indicator that things are headed in the right direction. May be a while before we see that though.
I'm beginning to get concerned about the UK if i'm honest. If the 50% figure of care home deaths is true and applied to the UK, they join Italy, Spain and USA as the worst effected countries. Thankfully though it seems like the NHS is critically standing up to challenge and not becoming swamped and that is a massive positive (despite the PPE shortage, but that is biting over here now to).
I think overall its impossible to know how the UK are doing, but there are a number of red flags, 1) the correlation between confirmed cases to RIPs after a 14 day incubation period is really bad - it shows poor testing - RIP's after 14 days, showing testing is massively inaccurate or completely under resourced and under done. 2) The reliability of Data of excluding care homes (Why?). 3) The lack of testing - your number of infection detecting is only as good as the number of test you do. 4) The Uk appears to have a higher motility rate then other European counties and that before you recognize the exclusion of care home R.I.P figures and other exclusions.
In an odd way im beginning to be suspicions that, perhaps the herd immunity strategy hasnt really gone away, there just doesnt seem to be a clear infrastructure being set up around testing, contract tracing etc in this critical time of preparation and it is critical, moving forward. Honestly i beginning to think the initial herd immunity strategy is being ghosted into implementation here, with current restrictions to stop the NHS being swamped.
Hopefully though im wrong on all of the above, the UK are our nearest neighbors and we share a common bond, ive lived there myself for a few years,, i want the country to be safe and well.